TIL that there are three main types of galaxy – elliptical, spiral and irregular – but that there is a huge range of variation within these three categories. by whatilearned February 19, 2022, 2:01 am 12 Points Upvote Downvote
6 Comments TIL The elliptical orbit of Earth places Australia 7-10% closer to the sun by whatilearned September 3, 2021, 7:21 am 12 Points Upvote Downvote
5 Comments TIL a “whisper chamber” is a large elliptical room where a person standing at one focus can hear a person standing at the other focus remarkably well. The National Statuary Hall at the US Capitol is where John Quincy Adams is said to have used this property for eavesdropping on political matters by whatilearned August 4, 2021, 5:26 pm 12 Points Upvote Downvote
2 Comments TIL a hole in the roof of a church allowed Cassini to measure the change in diameter of the sun’s disk over the year, confirming that Earth moves around the Sun in an elliptical orbit and the same church hosts a 15th-century fresco of Prophet Mohammed in hell, being tortured and devoured by a demon by whatilearned August 3, 2021, 5:46 pm 12 Points Upvote Downvote
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